text: #ifndef _air_density_H_
  #define _air_density_H_
  
  #include "transform.h"
  
  /**
   * @brief Transforms temperature, relative humidity and pressure in air density.
   * 
   * More info about the equation can be found at https://en.wikipedia.org/wiki/Density_of_air
   */
  class AirDensity : public NumericTransform {
   public:
    AirDensity();
    virtual void set_input(float input, uint8_t inputChannel) override;
  
  
   private:
    uint8_t received = 0;
    float inputs[3];
  
  };
  
  #endif
  